Iran has abruptly reimposed strict restrictions on the Strait of Hormuz, closing the vital waterway to most commercial traffic just hours after briefly signaling it was open, triggering chaos for LNG tankers and oil carriers that were forced to make sudden U-turns. Reports of gunfire targeting vessels in the strait have escalated tensions, as Iran's Islamic Revolutionary Guard Corps announced tighter military oversight in response to what it called ongoing US interference with shipping. According to Bloomberg reports, shipowners described scenes of disorder, with Greek and Indian tankers reversing course amid doubts over the passage's status.
The shutdown undermines US President Donald Trump's recent claims of an imminent peace deal to end the war with Iran, which he touted alongside a ceasefire in Lebanon between Israel and Hezbollah. Trump insisted the strait was "fully open" and ready for business, but maintained a US blockade on Iranian ports and ships carrying suspected contraband until negotiations are complete. Iranian officials, however, dismissed his optimism, stating no dates are set for the next round of talks and warning that restrictions would persist unless the blockade lifts, as reported by The Independent and Wall Street Journal sources cited in Bloomberg updates.
Global energy markets are reeling from the volatility, with liquefied natural gas tankers initially approaching the strait on mixed signals from Tehran before retreating. The International Energy Agency's Fatih Birol warned that even a quick reopening wouldn't stabilize oil prices soon, given damage to over 80 Iranian energy facilities that could take years to repair. IMF Managing Director Kristalina Georgieva highlighted the supply-demand imbalance fueling prolonged market turbulence, affecting consumers worldwide from Europe to Asia who rely on the strait for about 20% of global oil flows.
In a sign of escalating US countermeasures, American military officials are preparing to board and seize Iran-linked oil tankers in international waters in the coming days, according to the Wall Street Journal. Iran and the US have traded accusations of piracy, with Tehran claiming "strict control" over the strait and vowing to defend its rights "either at the negotiating table or in the field," as stated by First Vice-President Mohammad Reza Aref. Israel's strikes on targets in Lebanon have further complicated peace hopes, denting the fragile truce framework that includes a 15-20 day negotiation window.
Progress in backchannel diplomacy persists despite the setbacks, with Iran's parliamentary speaker Mohammad Bagher Ghalibaf acknowledging advances in US talks but noting significant gaps remain. Senior US officials may return to Pakistan for renewed discussions as early as Monday, potentially leading to a memorandum of understanding. The International Maritime Organization's secretary general expressed concerns over mines and disrupted navigation schemes, underscoring risks to freedom of navigation.
This standoff threatens broader economic fallout, as stocks initially surged on reopening rumors before uncertainty returned, extending a volatile rally in risky assets. Iran's Supreme Leader Mojtaba Khamenei affirmed the navy’s readiness for confrontation on National Army Day, while Trump emphasized a "tough stand." What happens next hinges on whether diplomacy can override military posturing, with the two-week truce set to expire soon and global markets bracing for sustained disruption.